Sonus Networks And Verint Systems Partner To Enable Carriers To Comply With Lawful Intercepts Mandate

FCC Rules VoIP Service Providers Must Comply with Communications Assistance for Law Enforcement Act (CALEA)

CHELMSFORD, MA, May 3, 2006 – Sonus Networks (Nasdaq: SONS), a leading supplier of service provider Voice over IP (VoIP) infrastructure solutions announced today that it formed a strategic partnership with Verint Systems Inc. (Nasdaq: VRNT), a leading provider of analytic software-based solutions for security and enterprise business intelligence, to enable service providers to address more effectively communications interception requirements for emerging VoIP and broadband packet-data services.

“One of the critical components of delivering carrier-class network infrastructure solutions is ensuring the same robust level of safety protocols associated with legacy networks, including the ability to conduct lawful intercept,” said Steve Edwards, Chief Marketing Officer, Sonus Networks. “By working so closely with Verint, a proven leader with a track record of providing the industry's state of the art advanced regulation-compliant communications interception solutions, Sonus is helping its customers to meet the impending regulatory mandates in a streamlined and efficient manner.”

As one of Sonus' Strategic Partners in Sonus' industry leading Open Services Partner Alliance (OSPA), Verint has worked with Sonus to create a lawful Interception and delivery capability for Sonus' IMS (IP Multimedia Subsystem)-ready architecture with Verint's STAR-GATE™ Communications Interception Solution. The joint solution is designed to allow service providers to comply with standards established for CALEA (Communications Assistance to Law Enforcement Act) in the U.S., and by ETSI (European Telecommunications Standards Institute) in Europe, as well as for other country-specific variants around the world.

“We are delighted that Sonus, a leading provider of Voice-over-IP infrastructure, has chosen Verint as its partner for VoIP lawful interception solutions,” said Mariann McDonagh, Vice President of Global Marketing, Verint Systems. “Together, Sonus and Verint are enabling service providers to reduce the complexity of complying with local communications interception requirements while improving the delivery of intercepted communications to law enforcements and government agencies.”

About Sonus Networks

Sonus Networks, Inc. is a leading provider of Voice over IP (VoIP) infrastructure solutions for wireline and wireless service providers. With its comprehensive IP Multimedia Subsystem (IMS) solution, Sonus addresses the full range of carrier applications, including residential and business voice services, wireless voice and multimedia, trunking and tandem switching, carrier interconnection and enhanced services. Sonus' voice infrastructure solutions are deployed in service provider networks worldwide. Founded in 1997, Sonus is headquartered in Chelmsford, Massachusetts. Additional information on Sonus is available at http://www.sonusnet.com.

About Verint Systems Inc.

Verint Systems Inc., headquartered in Melville, New York, is a leading provider of analytic software-based solutions for security and business intelligence. Verint software, which is used by over 1,000 organizations in over 50 countries worldwide, generates actionable intelligence through the collection, retention and analysis of voice, fax, video, email, Internet and data transmissions from multiple communications networks. Verint is a subsidiary of Comverse Technology, Inc. (NASDAQ: CMVT). Visit us at our website www.verint.com.

This release may contain Sonus forward-looking statements regarding future events that involve risks and uncertainties. Readers are cautioned that these forward-looking statements are only predictions and may differ materially from actual future events or results. Readers are referred to Item 1A “Risk Factors” of Sonus' Annual Report on Form 10-K, dated March 15, 2005, and the “Cautionary Statements” section of Sonus' Quarterly Report on Form 10-Q, dated November 8, 2005, which have been filed with the SEC identifying important risk factors that could cause actual results to differ from those contained in the forward-looking statements. Risk factors include among others: the impact of material weaknesses in our disclosure controls and procedures and our internal control over financial reporting on our ability to report our financial results timely and accurately; the unpredictability of our quarterly financial results; risks associated with our international expansion and growth; consolidation in the telecommunications industry; and potential costs resulting from pending securities litigation against the company. Any forward-looking statements represent Sonus' views only as of today and should not be relied upon as representing Sonus' views as of any subsequent date. While Sonus may elect to update forward-looking statements at some point, Sonus specifically disclaims any obligation to do so.

Note: Certain statements concerning Verint's future revenues, earnings per share, results or prospects are “forward-looking statements” under the Private Securities Litigation Reform Act of 1995. There can be no assurances that forward-looking statements will be achieved, and actual results could differ materially from forecasts and estimates. Important risks, uncertainties and other important factors that could cause actual results to differ materially include, among others: potential impact on Verint's financial results as a result of Comverse's creation of a special committee of the Board of Directors of Comverse to review matters relating to grants of Comverse stock options, including but not limited to, the accuracy of the stated dates of Comverse option grants and whether Comverse followed all of its proper corporate procedures and the results of the Comverse special committee's review; the effect of Verint's failure to timely file all required reports under the Securities Exchange Act of 1934, and the resultant potential delisting of Verint's common stock on NASDAQ; introducing quality products on a timely basis that satisfy customer requirements and achieve market acceptance; lengthy and variable sales cycles create difficulty in forecasting the timing of revenue; integrating the business and personnel of CM Insight; risks associated with significant foreign operations, including fluctuations in foreign currency exchange rates; aggressive competition in all of Verint's markets, which creates pricing pressure; integrating the business and personnel of MultiVision, including implementation of adequate internal controls; managing our expansion in the Asia Pacific region; risks that Verint's intellectual property rights may not be adequate to protect its business or that others may claim that Verint infringes upon their intellectual property rights; risks associated with integrating the business and employees of Opus and RP Sicherheissysteme GMBH; risks associated with Verint's ability to retain existing personnel and recruit and retain qualified personnel in all geographies in which Verint operates; decline in information technology spending; changes in the demand for Verint's products; challenges in increasing gross margins; risks associated with changes in the competitive or regulatory environment in which Verint operates; dependence on government contracts; expected increase in Verint's effective tax rate; perception that Verint improperly handles sensitive or confidential information; inability to maintain relationships with value added resellers and systems integrators; difficulty of improving Verint's infrastructure in order to be able to continue to grow; risks associated with Comverse Technology, Inc. controlling Verint's business and affairs; and other risks described in filings with the Securities and Exchange Commission. All documents are available through the SEC's Electronic Data Gathering Analysis and Retrieval system (EDGAR) at www.sec.gov or from Verint's website at www.verint.com. Verint makes no commitment to revise or update any forward-looking statements.

Verint, the Verint word mark, Actionable Intelligence, Powering Actionable Intelligence, STAR-GATE, RELIANT, NEXTIVA, LORONIX, SmartSight, Lanex and ULTRA are trademarks of Verint Systems Inc. Other names may be trademarks of their respective owners.